#1745A1#1745A1

#1745A1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.158 H 262.1°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#1745A1
RGB	rgb(23, 69, 161)
HSL	hsl(220, 75%, 36%)
HSV	hsv(220, 86%, 63%)
CMYK	cmyk(85.7%, 57.1%, 0%, 36.9%)
CIE-LAB	lab(31.83, 20.99, -54.01)
CIE-LCH	lch(31.83, 57.94, 291.24°)
OKLab	oklab(41.97% -0.0216 -0.1561)
OKLCH	oklch(41.97% 0.158 262.1)
XYZ	xyz(8.9122, 7.0105, 34.5947)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1745A1 #A17317

analogous

#178AA1 #1745A1 #2E17A1

triadic

#1745A1 #A11745 #45A117

tetradic

#1745A1 #A1178A #A17317 #17A12E

square

#1745A1 #A1178A #A17317 #17A12E

split-complementary

#1745A1 #A12E17 #8AA117

monochromatic

#081736 #0F2E6B #1745A1 #1F5CD7 #4D80E6

Accessibility & contrast

On white

8.74

#1745A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1745A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1745A1

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1745A1	#FFFFFF	#000000	##FFFFFF
##1745A1	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1745a1;
/* rgb */ color: rgb(23, 69, 161);
/* oklch */ color: oklch(42.0% 0.158 262.1);

Tailwind

colors: {
  custom: {
    50: '#6f78be',
    500: '#1745a1',
    950: '#000000',
  },
}

SCSS

$custom: #1745a1;
$custom-light: #6f78be;
$custom-dark: #000000;

JSON

{
  "hex": "#1745a1",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 161
  },
  "hsl": {
    "h": 220,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41972,
    "c": 0.15756,
    "h": 262.1
  },
  "luminance": 0.07012
}

Semantic roles & 50–950 ramp

primary

#1745A1

secondary

#C79E4C

accent

#B336F2

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1745A1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →